US Patent Issued to MEDIBEACON on Sept. 30 for "Purification of substituted diaminopyrazine dicarboxylic acids" (Missouri Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,382, issued on Sept. 30, was assigned to MEDIBEACON INC. (St. Louis).

"Purification of substituted diaminopyrazine dicarboxylic acids" was invented by Thomas Rogers (St. Louis), David Adams (St. Louis) and Xiaogang Hua (St. Louis).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides methods for the purification of the compound of Formula (I) from the precipitated reaction product comprising the compound of Formula (I), impurities, and/or residual or entrained solvents."

The patent was filed on March 17, 2022, under Application No. 17/697,281.

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